90732030 has 32 divisors (see below), whose sum is σ = 229219200. Its totient is φ = 22921632.

The previous prime is 90732023. The next prime is 90732091. The reversal of 90732030 is 3023709.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79020 + ... + 80159.

It is an arithmetic number, because the mean of its divisors is an integer number (7163100).

Almost surely, 2^90732030 is an apocalyptic number.

90732030 is an abundant number, since it is smaller than the sum of its proper divisors (138487170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90732030 is a wasteful number, since it uses less digits than its factorization.

90732030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159208.

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 90732030 is about 9525.3362145386. The cubic root of 90732030 is about 449.3522037166.

Adding to 90732030 its reverse (3023709), we get a palindrome (93755739).

The spelling of 90732030 in words is "ninety million, seven hundred thirty-two thousand, thirty".